2100966040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^2\times {\mathrm{349}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 5046930000

約数和(自身を除く): 2945963960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 349, 356, 380, 445, 698, 712, 760, 890, 1396, 1691, 1745, 1780, 2792, 3382, 3490, 3560, 6631, 6764, 6980, 7921, 8455, 13262, 13528, 13960, 15842, 16910, 26524, 31061, 31684, 33155, 33820, 39605, 53048, 62122, 63368, 66310, 67640, 79210, 124244, 132620, 150499, 155305, 158420, 248488, 265240, 300998, 310610, 316840, 590159, 601996, 621220, 752495, 1180318, 1203992, 1242440, 1504990, 2360636, 2764429, 2950795, 3009980, 4721272, 5528858, 5901590, 6019960, 11057716, 11803180, 13822145, 22115432, 23606360, 27644290, 52524151, 55288580, 105048302, 110577160, 210096604, 262620755, 420193208, 525241510, 1050483020, 2100966040]

約数ペア:

[(1, 2100966040), (2, 1050483020), (4, 525241510), (5, 420193208), (8, 262620755), (10, 210096604), (19, 110577160), (20, 105048302), (38, 55288580), (40, 52524151), (76, 27644290), (89, 23606360), (95, 22115432), (152, 13822145), (178, 11803180), (190, 11057716), (349, 6019960), (356, 5901590), (380, 5528858), (445, 4721272), (698, 3009980), (712, 2950795), (760, 2764429), (890, 2360636), (1396, 1504990), (1691, 1242440), (1745, 1203992), (1780, 1180318), (2792, 752495), (3382, 621220), (3490, 601996), (3560, 590159), (6631, 316840), (6764, 310610), (6980, 300998), (7921, 265240), (8455, 248488), (13262, 158420), (13528, 155305), (13960, 150499), (15842, 132620), (16910, 124244), (26524, 79210), (31061, 67640), (31684, 66310), (33155, 63368), (33820, 62122), (39605, 53048)]