1909591300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 4545459072

約数和(自身を除く): 2635867772

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 43, 50, 68, 85, 86, 100, 151, 170, 172, 173, 215, 302, 340, 346, 425, 430, 604, 692, 731, 755, 850, 860, 865, 1075, 1462, 1510, 1700, 1730, 2150, 2567, 2924, 2941, 3020, 3460, 3655, 3775, 4300, 4325, 5134, 5882, 6493, 7310, 7439, 7550, 8650, 10268, 11764, 12835, 12986, 14620, 14705, 14878, 15100, 17300, 18275, 25670, 25972, 26123, 29410, 29756, 32465, 36550, 37195, 51340, 52246, 58820, 64175, 64930, 73100, 73525, 74390, 104492, 110381, 126463, 128350, 129860, 130615, 147050, 148780, 162325, 185975, 220762, 252926, 256700, 261230, 294100, 324650, 371950, 441524, 444091, 505852, 522460, 551905, 632315, 649300, 653075, 743900, 888182, 1103810, 1123289, 1264630, 1306150, 1776364, 2207620, 2220455, 2246578, 2529260, 2612300, 2759525, 3161575, 4440910, 4493156, 5519050, 5616445, 6323150, 8881820, 11038100, 11102275, 11232890, 12646300, 19095913, 22204550, 22465780, 28082225, 38191826, 44409100, 56164450, 76383652, 95479565, 112328900, 190959130, 381918260, 477397825, 954795650, 1909591300]

約数ペア:

[(1, 1909591300), (2, 954795650), (4, 477397825), (5, 381918260), (10, 190959130), (17, 112328900), (20, 95479565), (25, 76383652), (34, 56164450), (43, 44409100), (50, 38191826), (68, 28082225), (85, 22465780), (86, 22204550), (100, 19095913), (151, 12646300), (170, 11232890), (172, 11102275), (173, 11038100), (215, 8881820), (302, 6323150), (340, 5616445), (346, 5519050), (425, 4493156), (430, 4440910), (604, 3161575), (692, 2759525), (731, 2612300), (755, 2529260), (850, 2246578), (860, 2220455), (865, 2207620), (1075, 1776364), (1462, 1306150), (1510, 1264630), (1700, 1123289), (1730, 1103810), (2150, 888182), (2567, 743900), (2924, 653075), (2941, 649300), (3020, 632315), (3460, 551905), (3655, 522460), (3775, 505852), (4300, 444091), (4325, 441524), (5134, 371950), (5882, 324650), (6493, 294100), (7310, 261230), (7439, 256700), (7550, 252926), (8650, 220762), (10268, 185975), (11764, 162325), (12835, 148780), (12986, 147050), (14620, 130615), (14705, 129860), (14878, 128350), (15100, 126463), (17300, 110381), (18275, 104492), (25670, 74390), (25972, 73525), (26123, 73100), (29410, 64930), (29756, 64175), (32465, 58820), (36550, 52246), (37195, 51340)]