1914654420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{217081}}^1$

素因数の和:217110

約数の個数: 108

約数和(自身を含む): 6756026004

約数和(自身を除く): 4841371584

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 217081, 434162, 651243, 868324, 1085405, 1302486, 1519567, 1953729, 2170810, 2604972, 3039134, 3256215, 3907458, 4341620, 4558701, 6078268, 6512430, 7597835, 7814916, 9117402, 9768645, 10636969, 13024860, 13676103, 15195670, 18234804, 19537290, 21273938, 22793505, 27352206, 30391340, 31910907, 39074580, 42547876, 45587010, 53184845, 54704412, 63821814, 68380515, 91174020, 95732721, 106369690, 127643628, 136761030, 159554535, 191465442, 212739380, 273522060, 319109070, 382930884, 478663605, 638218140, 957327210, 1914654420]

約数ペア:

[(1, 1914654420), (2, 957327210), (3, 638218140), (4, 478663605), (5, 382930884), (6, 319109070), (7, 273522060), (9, 212739380), (10, 191465442), (12, 159554535), (14, 136761030), (15, 127643628), (18, 106369690), (20, 95732721), (21, 91174020), (28, 68380515), (30, 63821814), (35, 54704412), (36, 53184845), (42, 45587010), (45, 42547876), (49, 39074580), (60, 31910907), (63, 30391340), (70, 27352206), (84, 22793505), (90, 21273938), (98, 19537290), (105, 18234804), (126, 15195670), (140, 13676103), (147, 13024860), (180, 10636969), (196, 9768645), (210, 9117402), (245, 7814916), (252, 7597835), (294, 6512430), (315, 6078268), (420, 4558701), (441, 4341620), (490, 3907458), (588, 3256215), (630, 3039134), (735, 2604972), (882, 2170810), (980, 1953729), (1260, 1519567), (1470, 1302486), (1764, 1085405), (2205, 868324), (2940, 651243), (4410, 434162), (8820, 217081)]