402427910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 795158208

約数和(自身を除く): 392730298

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 137, 170, 185, 274, 370, 467, 629, 685, 934, 1258, 1370, 2329, 2335, 3145, 4658, 4670, 5069, 6290, 7939, 10138, 11645, 15878, 17279, 23290, 25345, 34558, 39695, 50690, 63979, 79390, 86173, 86395, 127958, 172346, 172790, 293743, 319895, 430865, 587486, 639790, 861730, 1087643, 1468715, 2175286, 2367223, 2937430, 4734446, 5438215, 10876430, 11836115, 23672230, 40242791, 80485582, 201213955, 402427910]

約数ペア:

[(1, 402427910), (2, 201213955), (5, 80485582), (10, 40242791), (17, 23672230), (34, 11836115), (37, 10876430), (74, 5438215), (85, 4734446), (137, 2937430), (170, 2367223), (185, 2175286), (274, 1468715), (370, 1087643), (467, 861730), (629, 639790), (685, 587486), (934, 430865), (1258, 319895), (1370, 293743), (2329, 172790), (2335, 172346), (3145, 127958), (4658, 86395), (4670, 86173), (5069, 79390), (6290, 63979), (7939, 50690), (10138, 39695), (11645, 34558), (15878, 25345), (17279, 23290)]