409693290020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1\times {\mathrm{143443}}^1$

素因数の和:144369

約数の個数: 96

約数和(自身を含む): 1027178385408

約数和(自身を除く): 617485095388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 887, 1610, 1774, 3220, 3548, 4435, 6209, 8870, 12418, 17740, 20401, 24836, 31045, 40802, 62090, 81604, 102005, 124180, 142807, 143443, 204010, 285614, 286886, 408020, 571228, 573772, 714035, 717215, 1004101, 1428070, 1434430, 2008202, 2856140, 2868860, 3299189, 4016404, 5020505, 6598378, 10041010, 13196756, 16495945, 20082020, 23094323, 32991890, 46188646, 65983780, 92377292, 115471615, 127233941, 230943230, 254467882, 461886460, 508935764, 636169705, 890637587, 1272339410, 1781275174, 2544678820, 2926380643, 3562550348, 4453187935, 5852761286, 8906375870, 11705522572, 14631903215, 17812751740, 20484664501, 29263806430, 40969329002, 58527612860, 81938658004, 102423322505, 204846645010, 409693290020]

約数ペア:

[(1, 409693290020), (2, 204846645010), (4, 102423322505), (5, 81938658004), (7, 58527612860), (10, 40969329002), (14, 29263806430), (20, 20484664501), (23, 17812751740), (28, 14631903215), (35, 11705522572), (46, 8906375870), (70, 5852761286), (92, 4453187935), (115, 3562550348), (140, 2926380643), (161, 2544678820), (230, 1781275174), (322, 1272339410), (460, 890637587), (644, 636169705), (805, 508935764), (887, 461886460), (1610, 254467882), (1774, 230943230), (3220, 127233941), (3548, 115471615), (4435, 92377292), (6209, 65983780), (8870, 46188646), (12418, 32991890), (17740, 23094323), (20401, 20082020), (24836, 16495945), (31045, 13196756), (40802, 10041010), (62090, 6598378), (81604, 5020505), (102005, 4016404), (124180, 3299189), (142807, 2868860), (143443, 2856140), (204010, 2008202), (285614, 1434430), (286886, 1428070), (408020, 1004101), (571228, 717215), (573772, 714035)]