219440320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2070

約数の個数: 112

約数和(自身を含む): 588727296

約数和(自身を除く): 369286976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 682, 704, 880, 992, 1240, 1364, 1705, 1760, 1984, 2011, 2480, 2728, 3410, 3520, 4022, 4960, 5456, 6820, 8044, 9920, 10055, 10912, 13640, 16088, 20110, 21824, 22121, 27280, 32176, 40220, 44242, 54560, 62341, 64352, 80440, 88484, 109120, 110605, 124682, 128704, 160880, 176968, 221210, 249364, 311705, 321760, 353936, 442420, 498728, 623410, 643520, 685751, 707872, 884840, 997456, 1246820, 1371502, 1415744, 1769680, 1994912, 2493640, 2743004, 3428755, 3539360, 3989824, 4987280, 5486008, 6857510, 7078720, 9974560, 10972016, 13715020, 19949120, 21944032, 27430040, 43888064, 54860080, 109720160, 219440320]

約数ペア:

[(1, 219440320), (2, 109720160), (4, 54860080), (5, 43888064), (8, 27430040), (10, 21944032), (11, 19949120), (16, 13715020), (20, 10972016), (22, 9974560), (31, 7078720), (32, 6857510), (40, 5486008), (44, 4987280), (55, 3989824), (62, 3539360), (64, 3428755), (80, 2743004), (88, 2493640), (110, 1994912), (124, 1769680), (155, 1415744), (160, 1371502), (176, 1246820), (220, 997456), (248, 884840), (310, 707872), (320, 685751), (341, 643520), (352, 623410), (440, 498728), (496, 442420), (620, 353936), (682, 321760), (704, 311705), (880, 249364), (992, 221210), (1240, 176968), (1364, 160880), (1705, 128704), (1760, 124682), (1984, 110605), (2011, 109120), (2480, 88484), (2728, 80440), (3410, 64352), (3520, 62341), (4022, 54560), (4960, 44242), (5456, 40220), (6820, 32176), (8044, 27280), (9920, 22121), (10055, 21824), (10912, 20110), (13640, 16088)]