28910700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:393

約数の個数: 216

約数和(自身を含む): 111847008

約数和(自身を除く): 82936308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 25, 26, 28, 30, 35, 36, 39, 42, 45, 50, 52, 60, 63, 65, 70, 75, 78, 84, 90, 91, 100, 105, 117, 126, 130, 140, 150, 156, 175, 180, 182, 195, 210, 225, 234, 252, 260, 273, 300, 315, 325, 350, 353, 364, 390, 420, 450, 455, 468, 525, 546, 585, 630, 650, 700, 706, 780, 819, 900, 910, 975, 1050, 1059, 1092, 1170, 1260, 1300, 1365, 1412, 1575, 1638, 1765, 1820, 1950, 2100, 2118, 2275, 2340, 2471, 2730, 2925, 3150, 3177, 3276, 3530, 3900, 4095, 4236, 4550, 4589, 4942, 5295, 5460, 5850, 6300, 6354, 6825, 7060, 7413, 8190, 8825, 9100, 9178, 9884, 10590, 11700, 12355, 12708, 13650, 13767, 14826, 15885, 16380, 17650, 18356, 20475, 21180, 22239, 22945, 24710, 26475, 27300, 27534, 29652, 31770, 32123, 35300, 37065, 40950, 41301, 44478, 45890, 49420, 52950, 55068, 61775, 63540, 64246, 68835, 74130, 79425, 81900, 82602, 88956, 91780, 96369, 105900, 111195, 114725, 123550, 128492, 137670, 148260, 158850, 160615, 165204, 185325, 192738, 206505, 222390, 229450, 247100, 275340, 289107, 317700, 321230, 344175, 370650, 385476, 413010, 444780, 458900, 481845, 555975, 578214, 642460, 688350, 741300, 803075, 826020, 963690, 1032525, 1111950, 1156428, 1376700, 1445535, 1606150, 1927380, 2065050, 2223900, 2409225, 2891070, 3212300, 4130100, 4818450, 5782140, 7227675, 9636900, 14455350, 28910700]

約数ペア:

[(1, 28910700), (2, 14455350), (3, 9636900), (4, 7227675), (5, 5782140), (6, 4818450), (7, 4130100), (9, 3212300), (10, 2891070), (12, 2409225), (13, 2223900), (14, 2065050), (15, 1927380), (18, 1606150), (20, 1445535), (21, 1376700), (25, 1156428), (26, 1111950), (28, 1032525), (30, 963690), (35, 826020), (36, 803075), (39, 741300), (42, 688350), (45, 642460), (50, 578214), (52, 555975), (60, 481845), (63, 458900), (65, 444780), (70, 413010), (75, 385476), (78, 370650), (84, 344175), (90, 321230), (91, 317700), (100, 289107), (105, 275340), (117, 247100), (126, 229450), (130, 222390), (140, 206505), (150, 192738), (156, 185325), (175, 165204), (180, 160615), (182, 158850), (195, 148260), (210, 137670), (225, 128492), (234, 123550), (252, 114725), (260, 111195), (273, 105900), (300, 96369), (315, 91780), (325, 88956), (350, 82602), (353, 81900), (364, 79425), (390, 74130), (420, 68835), (450, 64246), (455, 63540), (468, 61775), (525, 55068), (546, 52950), (585, 49420), (630, 45890), (650, 44478), (700, 41301), (706, 40950), (780, 37065), (819, 35300), (900, 32123), (910, 31770), (975, 29652), (1050, 27534), (1059, 27300), (1092, 26475), (1170, 24710), (1260, 22945), (1300, 22239), (1365, 21180), (1412, 20475), (1575, 18356), (1638, 17650), (1765, 16380), (1820, 15885), (1950, 14826), (2100, 13767), (2118, 13650), (2275, 12708), (2340, 12355), (2471, 11700), (2730, 10590), (2925, 9884), (3150, 9178), (3177, 9100), (3276, 8825), (3530, 8190), (3900, 7413), (4095, 7060), (4236, 6825), (4550, 6354), (4589, 6300), (4942, 5850), (5295, 5460)]