121549400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 335023200

約数和(自身を除く): 213473800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 79, 98, 100, 140, 157, 158, 175, 196, 200, 245, 280, 314, 316, 350, 392, 395, 490, 553, 628, 632, 700, 785, 790, 980, 1099, 1106, 1225, 1256, 1400, 1570, 1580, 1960, 1975, 2198, 2212, 2450, 2765, 3140, 3160, 3871, 3925, 3950, 4396, 4424, 4900, 5495, 5530, 6280, 7693, 7742, 7850, 7900, 8792, 9800, 10990, 11060, 12403, 13825, 15386, 15484, 15700, 15800, 19355, 21980, 22120, 24806, 27475, 27650, 30772, 30968, 31400, 38465, 38710, 43960, 49612, 54950, 55300, 61544, 62015, 76930, 77420, 86821, 96775, 99224, 109900, 110600, 124030, 153860, 154840, 173642, 192325, 193550, 219800, 248060, 307720, 310075, 347284, 384650, 387100, 434105, 496120, 607747, 620150, 694568, 769300, 774200, 868210, 1215494, 1240300, 1538600, 1736420, 2170525, 2430988, 2480600, 3038735, 3472840, 4341050, 4861976, 6077470, 8682100, 12154940, 15193675, 17364200, 24309880, 30387350, 60774700, 121549400]

約数ペア:

[(1, 121549400), (2, 60774700), (4, 30387350), (5, 24309880), (7, 17364200), (8, 15193675), (10, 12154940), (14, 8682100), (20, 6077470), (25, 4861976), (28, 4341050), (35, 3472840), (40, 3038735), (49, 2480600), (50, 2430988), (56, 2170525), (70, 1736420), (79, 1538600), (98, 1240300), (100, 1215494), (140, 868210), (157, 774200), (158, 769300), (175, 694568), (196, 620150), (200, 607747), (245, 496120), (280, 434105), (314, 387100), (316, 384650), (350, 347284), (392, 310075), (395, 307720), (490, 248060), (553, 219800), (628, 193550), (632, 192325), (700, 173642), (785, 154840), (790, 153860), (980, 124030), (1099, 110600), (1106, 109900), (1225, 99224), (1256, 96775), (1400, 86821), (1570, 77420), (1580, 76930), (1960, 62015), (1975, 61544), (2198, 55300), (2212, 54950), (2450, 49612), (2765, 43960), (3140, 38710), (3160, 38465), (3871, 31400), (3925, 30968), (3950, 30772), (4396, 27650), (4424, 27475), (4900, 24806), (5495, 22120), (5530, 21980), (6280, 19355), (7693, 15800), (7742, 15700), (7850, 15484), (7900, 15386), (8792, 13825), (9800, 12403), (10990, 11060)]