225535700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 580379520

約数和(自身を除く): 354843820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 25, 26, 38, 46, 50, 52, 65, 76, 92, 95, 100, 115, 130, 190, 230, 247, 260, 299, 325, 380, 397, 437, 460, 475, 494, 575, 598, 650, 794, 874, 950, 988, 1150, 1196, 1235, 1300, 1495, 1588, 1748, 1900, 1985, 2185, 2300, 2470, 2990, 3970, 4370, 4940, 5161, 5681, 5980, 6175, 7475, 7543, 7940, 8740, 9131, 9925, 10322, 10925, 11362, 12350, 14950, 15086, 18262, 19850, 20644, 21850, 22724, 24700, 25805, 28405, 29900, 30172, 36524, 37715, 39700, 43700, 45655, 51610, 56810, 75430, 91310, 98059, 103220, 113620, 118703, 129025, 142025, 150860, 173489, 182620, 188575, 196118, 228275, 237406, 258050, 284050, 346978, 377150, 392236, 456550, 474812, 490295, 516100, 568100, 593515, 693956, 754300, 867445, 913100, 980590, 1187030, 1734890, 1961180, 2255357, 2374060, 2451475, 2967575, 3469780, 4337225, 4510714, 4902950, 5935150, 8674450, 9021428, 9805900, 11276785, 11870300, 17348900, 22553570, 45107140, 56383925, 112767850, 225535700]

約数ペア:

[(1, 225535700), (2, 112767850), (4, 56383925), (5, 45107140), (10, 22553570), (13, 17348900), (19, 11870300), (20, 11276785), (23, 9805900), (25, 9021428), (26, 8674450), (38, 5935150), (46, 4902950), (50, 4510714), (52, 4337225), (65, 3469780), (76, 2967575), (92, 2451475), (95, 2374060), (100, 2255357), (115, 1961180), (130, 1734890), (190, 1187030), (230, 980590), (247, 913100), (260, 867445), (299, 754300), (325, 693956), (380, 593515), (397, 568100), (437, 516100), (460, 490295), (475, 474812), (494, 456550), (575, 392236), (598, 377150), (650, 346978), (794, 284050), (874, 258050), (950, 237406), (988, 228275), (1150, 196118), (1196, 188575), (1235, 182620), (1300, 173489), (1495, 150860), (1588, 142025), (1748, 129025), (1900, 118703), (1985, 113620), (2185, 103220), (2300, 98059), (2470, 91310), (2990, 75430), (3970, 56810), (4370, 51610), (4940, 45655), (5161, 43700), (5681, 39700), (5980, 37715), (6175, 36524), (7475, 30172), (7543, 29900), (7940, 28405), (8740, 25805), (9131, 24700), (9925, 22724), (10322, 21850), (10925, 20644), (11362, 19850), (12350, 18262), (14950, 15086)]