73999180

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 158578560

約数和(自身を除く): 84579380

約数列:

[1, 2, 4, 5, 10, 20, 113, 137, 226, 239, 274, 452, 478, 548, 565, 685, 956, 1130, 1195, 1370, 2260, 2390, 2740, 4780, 15481, 27007, 30962, 32743, 54014, 61924, 65486, 77405, 108028, 130972, 135035, 154810, 163715, 270070, 309620, 327430, 540140, 654860, 3699959, 7399918, 14799836, 18499795, 36999590, 73999180]

約数ペア:

[(1, 73999180), (2, 36999590), (4, 18499795), (5, 14799836), (10, 7399918), (20, 3699959), (113, 654860), (137, 540140), (226, 327430), (239, 309620), (274, 270070), (452, 163715), (478, 154810), (548, 135035), (565, 130972), (685, 108028), (956, 77405), (1130, 65486), (1195, 61924), (1370, 54014), (2260, 32743), (2390, 30962), (2740, 27007), (4780, 15481)]