156628400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:631

約数の個数: 120

約数和(自身を含む): 407540880

約数和(自身を除く): 250912480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 37, 38, 40, 50, 74, 76, 80, 95, 100, 148, 152, 185, 190, 200, 296, 304, 370, 380, 400, 475, 557, 592, 703, 740, 760, 925, 950, 1114, 1406, 1480, 1520, 1850, 1900, 2228, 2785, 2812, 2960, 3515, 3700, 3800, 4456, 5570, 5624, 7030, 7400, 7600, 8912, 10583, 11140, 11248, 13925, 14060, 14800, 17575, 20609, 21166, 22280, 27850, 28120, 35150, 41218, 42332, 44560, 52915, 55700, 56240, 70300, 82436, 84664, 103045, 105830, 111400, 140600, 164872, 169328, 206090, 211660, 222800, 264575, 281200, 329744, 391571, 412180, 423320, 515225, 529150, 783142, 824360, 846640, 1030450, 1058300, 1566284, 1648720, 1957855, 2060900, 2116600, 3132568, 3915710, 4121800, 4233200, 6265136, 7831420, 8243600, 9789275, 15662840, 19578550, 31325680, 39157100, 78314200, 156628400]

約数ペア:

[(1, 156628400), (2, 78314200), (4, 39157100), (5, 31325680), (8, 19578550), (10, 15662840), (16, 9789275), (19, 8243600), (20, 7831420), (25, 6265136), (37, 4233200), (38, 4121800), (40, 3915710), (50, 3132568), (74, 2116600), (76, 2060900), (80, 1957855), (95, 1648720), (100, 1566284), (148, 1058300), (152, 1030450), (185, 846640), (190, 824360), (200, 783142), (296, 529150), (304, 515225), (370, 423320), (380, 412180), (400, 391571), (475, 329744), (557, 281200), (592, 264575), (703, 222800), (740, 211660), (760, 206090), (925, 169328), (950, 164872), (1114, 140600), (1406, 111400), (1480, 105830), (1520, 103045), (1850, 84664), (1900, 82436), (2228, 70300), (2785, 56240), (2812, 55700), (2960, 52915), (3515, 44560), (3700, 42332), (3800, 41218), (4456, 35150), (5570, 28120), (5624, 27850), (7030, 22280), (7400, 21166), (7600, 20609), (8912, 17575), (10583, 14800), (11140, 14060), (11248, 13925)]