72240700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:692

約数の個数: 108

約数和(自身を含む): 190581552

約数和(自身を除く): 118340852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 140, 161, 175, 196, 230, 245, 322, 350, 460, 490, 575, 641, 644, 700, 805, 980, 1127, 1150, 1225, 1282, 1610, 2254, 2300, 2450, 2564, 3205, 3220, 4025, 4487, 4508, 4900, 5635, 6410, 8050, 8974, 11270, 12820, 14743, 16025, 16100, 17948, 22435, 22540, 28175, 29486, 31409, 32050, 44870, 56350, 58972, 62818, 64100, 73715, 89740, 103201, 112175, 112700, 125636, 147430, 157045, 206402, 224350, 294860, 314090, 368575, 412804, 448700, 516005, 628180, 722407, 737150, 785225, 1032010, 1444814, 1474300, 1570450, 2064020, 2580025, 2889628, 3140900, 3612035, 5160050, 7224070, 10320100, 14448140, 18060175, 36120350, 72240700]

約数ペア:

[(1, 72240700), (2, 36120350), (4, 18060175), (5, 14448140), (7, 10320100), (10, 7224070), (14, 5160050), (20, 3612035), (23, 3140900), (25, 2889628), (28, 2580025), (35, 2064020), (46, 1570450), (49, 1474300), (50, 1444814), (70, 1032010), (92, 785225), (98, 737150), (100, 722407), (115, 628180), (140, 516005), (161, 448700), (175, 412804), (196, 368575), (230, 314090), (245, 294860), (322, 224350), (350, 206402), (460, 157045), (490, 147430), (575, 125636), (641, 112700), (644, 112175), (700, 103201), (805, 89740), (980, 73715), (1127, 64100), (1150, 62818), (1225, 58972), (1282, 56350), (1610, 44870), (2254, 32050), (2300, 31409), (2450, 29486), (2564, 28175), (3205, 22540), (3220, 22435), (4025, 17948), (4487, 16100), (4508, 16025), (4900, 14743), (5635, 12820), (6410, 11270), (8050, 8974)]