209691300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7681}}^1$

素因数の和:7718

約数の個数: 144

約数和(自身を含む): 746813312

約数和(自身を除く): 537122012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 780, 910, 975, 1050, 1092, 1300, 1365, 1820, 1950, 2100, 2275, 2730, 3900, 4550, 5460, 6825, 7681, 9100, 13650, 15362, 23043, 27300, 30724, 38405, 46086, 53767, 76810, 92172, 99853, 107534, 115215, 153620, 161301, 192025, 199706, 215068, 230430, 268835, 299559, 322602, 384050, 399412, 460860, 499265, 537670, 576075, 599118, 645204, 698971, 768100, 806505, 998530, 1075340, 1152150, 1198236, 1344175, 1397942, 1497795, 1613010, 1997060, 2096913, 2304300, 2496325, 2688350, 2795884, 2995590, 3226020, 3494855, 4032525, 4193826, 4992650, 5376700, 5991180, 6989710, 7488975, 8065050, 8387652, 9985300, 10484565, 13979420, 14977950, 16130100, 17474275, 20969130, 29955900, 34948550, 41938260, 52422825, 69897100, 104845650, 209691300]

約数ペア:

[(1, 209691300), (2, 104845650), (3, 69897100), (4, 52422825), (5, 41938260), (6, 34948550), (7, 29955900), (10, 20969130), (12, 17474275), (13, 16130100), (14, 14977950), (15, 13979420), (20, 10484565), (21, 9985300), (25, 8387652), (26, 8065050), (28, 7488975), (30, 6989710), (35, 5991180), (39, 5376700), (42, 4992650), (50, 4193826), (52, 4032525), (60, 3494855), (65, 3226020), (70, 2995590), (75, 2795884), (78, 2688350), (84, 2496325), (91, 2304300), (100, 2096913), (105, 1997060), (130, 1613010), (140, 1497795), (150, 1397942), (156, 1344175), (175, 1198236), (182, 1152150), (195, 1075340), (210, 998530), (260, 806505), (273, 768100), (300, 698971), (325, 645204), (350, 599118), (364, 576075), (390, 537670), (420, 499265), (455, 460860), (525, 399412), (546, 384050), (650, 322602), (700, 299559), (780, 268835), (910, 230430), (975, 215068), (1050, 199706), (1092, 192025), (1300, 161301), (1365, 153620), (1820, 115215), (1950, 107534), (2100, 99853), (2275, 92172), (2730, 76810), (3900, 53767), (4550, 46086), (5460, 38405), (6825, 30724), (7681, 27300), (9100, 23043), (13650, 15362)]