72400900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 189862848

約数和(自身を除く): 117461948

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 61, 65, 83, 100, 110, 122, 130, 143, 166, 220, 244, 260, 275, 286, 305, 325, 332, 415, 550, 572, 610, 650, 671, 715, 793, 830, 913, 1079, 1100, 1220, 1300, 1342, 1430, 1525, 1586, 1660, 1826, 2075, 2158, 2684, 2860, 3050, 3172, 3355, 3575, 3652, 3965, 4150, 4316, 4565, 5063, 5395, 6100, 6710, 7150, 7930, 8300, 8723, 9130, 10126, 10790, 11869, 13420, 14300, 15860, 16775, 17446, 18260, 19825, 20252, 21580, 22825, 23738, 25315, 26975, 33550, 34892, 39650, 43615, 45650, 47476, 50630, 53950, 55693, 59345, 65819, 67100, 79300, 87230, 91300, 101260, 107900, 111386, 118690, 126575, 131638, 174460, 218075, 222772, 237380, 253150, 263276, 278465, 296725, 329095, 436150, 506300, 556930, 593450, 658190, 724009, 872300, 1113860, 1186900, 1316380, 1392325, 1448018, 1645475, 2784650, 2896036, 3290950, 3620045, 5569300, 6581900, 7240090, 14480180, 18100225, 36200450, 72400900]

約数ペア:

[(1, 72400900), (2, 36200450), (4, 18100225), (5, 14480180), (10, 7240090), (11, 6581900), (13, 5569300), (20, 3620045), (22, 3290950), (25, 2896036), (26, 2784650), (44, 1645475), (50, 1448018), (52, 1392325), (55, 1316380), (61, 1186900), (65, 1113860), (83, 872300), (100, 724009), (110, 658190), (122, 593450), (130, 556930), (143, 506300), (166, 436150), (220, 329095), (244, 296725), (260, 278465), (275, 263276), (286, 253150), (305, 237380), (325, 222772), (332, 218075), (415, 174460), (550, 131638), (572, 126575), (610, 118690), (650, 111386), (671, 107900), (715, 101260), (793, 91300), (830, 87230), (913, 79300), (1079, 67100), (1100, 65819), (1220, 59345), (1300, 55693), (1342, 53950), (1430, 50630), (1525, 47476), (1586, 45650), (1660, 43615), (1826, 39650), (2075, 34892), (2158, 33550), (2684, 26975), (2860, 25315), (3050, 23738), (3172, 22825), (3355, 21580), (3575, 20252), (3652, 19825), (3965, 18260), (4150, 17446), (4316, 16775), (4565, 15860), (5063, 14300), (5395, 13420), (6100, 11869), (6710, 10790), (7150, 10126), (7930, 9130), (8300, 8723)]