44220220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 108864000

約数和(自身を除く): 64643780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 71, 76, 95, 110, 142, 149, 190, 209, 220, 284, 298, 355, 380, 418, 596, 710, 745, 781, 836, 1045, 1349, 1420, 1490, 1562, 1639, 2090, 2698, 2831, 2980, 3124, 3278, 3905, 4180, 5396, 5662, 6556, 6745, 7810, 8195, 10579, 11324, 13490, 14155, 14839, 15620, 16390, 21158, 26980, 28310, 29678, 31141, 32780, 42316, 52895, 56620, 59356, 62282, 74195, 105790, 116369, 124564, 148390, 155705, 201001, 211580, 232738, 296780, 311410, 402002, 465476, 581845, 622820, 804004, 1005005, 1163690, 2010010, 2211011, 2327380, 4020020, 4422022, 8844044, 11055055, 22110110, 44220220]

約数ペア:

[(1, 44220220), (2, 22110110), (4, 11055055), (5, 8844044), (10, 4422022), (11, 4020020), (19, 2327380), (20, 2211011), (22, 2010010), (38, 1163690), (44, 1005005), (55, 804004), (71, 622820), (76, 581845), (95, 465476), (110, 402002), (142, 311410), (149, 296780), (190, 232738), (209, 211580), (220, 201001), (284, 155705), (298, 148390), (355, 124564), (380, 116369), (418, 105790), (596, 74195), (710, 62282), (745, 59356), (781, 56620), (836, 52895), (1045, 42316), (1349, 32780), (1420, 31141), (1490, 29678), (1562, 28310), (1639, 26980), (2090, 21158), (2698, 16390), (2831, 15620), (2980, 14839), (3124, 14155), (3278, 13490), (3905, 11324), (4180, 10579), (5396, 8195), (5662, 7810), (6556, 6745)]