168959020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 391849920

約数和(自身を除く): 222890900

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 61, 74, 76, 95, 122, 148, 185, 190, 197, 244, 305, 370, 380, 394, 610, 703, 740, 788, 985, 1159, 1220, 1406, 1970, 2257, 2318, 2812, 3515, 3743, 3940, 4514, 4636, 5795, 7030, 7289, 7486, 9028, 11285, 11590, 12017, 14060, 14578, 14972, 18715, 22570, 23180, 24034, 29156, 36445, 37430, 42883, 45140, 48068, 60085, 72890, 74860, 85766, 120170, 138491, 145780, 171532, 214415, 228323, 240340, 276982, 428830, 444629, 456646, 553964, 692455, 857660, 889258, 913292, 1141615, 1384910, 1778516, 2223145, 2283230, 2769820, 4446290, 4566460, 8447951, 8892580, 16895902, 33791804, 42239755, 84479510, 168959020]

約数ペア:

[(1, 168959020), (2, 84479510), (4, 42239755), (5, 33791804), (10, 16895902), (19, 8892580), (20, 8447951), (37, 4566460), (38, 4446290), (61, 2769820), (74, 2283230), (76, 2223145), (95, 1778516), (122, 1384910), (148, 1141615), (185, 913292), (190, 889258), (197, 857660), (244, 692455), (305, 553964), (370, 456646), (380, 444629), (394, 428830), (610, 276982), (703, 240340), (740, 228323), (788, 214415), (985, 171532), (1159, 145780), (1220, 138491), (1406, 120170), (1970, 85766), (2257, 74860), (2318, 72890), (2812, 60085), (3515, 48068), (3743, 45140), (3940, 42883), (4514, 37430), (4636, 36445), (5795, 29156), (7030, 24034), (7289, 23180), (7486, 22570), (9028, 18715), (11285, 14972), (11590, 14578), (12017, 14060)]